https://www.selleckchem.com/products/ABT-263.html
The ubiquitin-proteasome system (UPS) is a highly regulated protein disposal process critical to cell survival. Inhibiting the pathway induces proteotoxic stress and can be an effective cancer treatment. The therapeutic window observed upon proteasomal blockade has motivated multiple UPS-targeting strategies, including preventing ubiquitination altogether. E1 initiates the cascade by transferring ubiquitin to E2 enzymes. A small molecule that engages the E1 ATP-binding site and derivatizes ubiquitin disrupts enzymatic activity and kills
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